83.16% is the change from 285 to 522
Calculation steps:
[( 522 - 285 ) ÷ 285] x 100 = 83.16%
Formula
Percentage change = [(522 - 285) / 285] x 100
Subtract the new number by the original number
522 - 285 = 237
237 ÷ 285 = 0.8315789473684211
0.8315789473684211 x 100 = 83.16%